67364669 has 2 divisors, whose sum is σ = 67364670. Its totient is φ = 67364668.

The previous prime is 67364653. The next prime is 67364683. The reversal of 67364669 is 96646376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34164025 + 33200644 = 5845^2 + 5762^2 .

It is a cyclic number.

It is not a de Polignac number, because 67364669 - 2⁴ = 67364653 is a prime.

It is a super-2 number, since 2×67364669² = 9075997258959122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67364629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33682334 + 33682335.

It is an arithmetic number, because the mean of its divisors is an integer number (33682335).

Almost surely, 2^67364669 is an apocalyptic number.

It is an amenable number.

67364669 is a deficient number, since it is larger than the sum of its proper divisors (1).

67364669 is an equidigital number, since it uses as much as digits as its factorization.

67364669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 47.

The square root of 67364669 is about 8207.5982479651. The cubic root of 67364669 is about 406.8903531401.

The spelling of 67364669 in words is "sixty-seven million, three hundred sixty-four thousand, six hundred sixty-nine".